20010223332133 has 4 divisors (see below), whose sum is σ = 20498277559788. Its totient is φ = 19522169104480.

The previous prime is 20010223332107. The next prime is 20010223332173. The reversal of 20010223332133 is 33123332201002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4623605166049 + 15386618166084 = 2150257^2 + 3922578^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010223332133 - 2⁵ = 20010223332101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010223332098 and 20010223332107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010223332173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244027113766 + ... + 244027113847.

It is an arithmetic number, because the mean of its divisors is an integer number (5124569389947).

Almost surely, 2^{20010223332133} is an apocalyptic number.

It is an amenable number.

20010223332133 is a deficient number, since it is larger than the sum of its proper divisors (488054227655).

20010223332133 is an equidigital number, since it uses as much as digits as its factorization.

20010223332133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488054227654.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20010223332133 its reverse (33123332201002), we get a palindrome (53133555533135).

The spelling of 20010223332133 in words is "twenty trillion, ten billion, two hundred twenty-three million, three hundred thirty-two thousand, one hundred thirty-three".